Line level



Dec. 16, 1930. CHRISTENSEN 1,785,296

LINE LEVEL Filed July 21, 1927 Th1, I! a .3

' I level has beeh obtained r In earryingoutthe lnventlon a level 15 "Patented Dec; l v

e i 1 ANDERSEICHRISTENSEN;OF MAYlElIELIlIiIilIGlHTS, omo' e e INEIQE ELQ fl lgpplicetipn filedjnlyiltl, @9127. se'eym, 207,460;

Line levels commonly employed 'in Constfuetion ork to determine hether or not determine the level ofgthe linefohly when it is placed in-the middle thereof. Ifitwere placed anywhere else along the line the :sagl Would have av tendency to makefthe levelslip along the'line and a'itrlue level coud otbed indicated thereby. V p l The object of: the present invent-ion 'is to l provide a line level of novel "construction whichfmaybe applied at any place along the line'to indicate Whetherofinot the'fdesi'red provided that willenot slip al0ng thefline in v "26 2x113 way; but will remain atthe place where "it is applied. It is to-benotecl that eilevel may be much inore readily attached to a line usecl-inthe eonstructon of buildings, eta, ad

ja cent th end thereofitha'n in the middle,

ZS-it being. much more, convenient to apply it in such a; place. In atteiningithisend at level 'is provided With ah-ookvvhich is ofiset from the center of grevityof thelevel end a noteh e'dmelhbei' is provided at theen d'of the eo tube carrying the" hook member. This] :n otched memberrwill exertan upWLrdfpl!6S,

' 'Frsure on the line which is caused by the Weight ofthe level suspended by thehookfilt {will} be noted that this arrangement meintai'nsithefi level in the desired positi-o'ni'egarclless of the sag in the line.

vents any slipping of the level thei'eztlongj securing the notched membr' telthe level,

', whereby atljustabilityiih its tiljn may "be obtained. l

' 1 With these andfifu'rehrf o jeete i11:-,view,,es

ivi ew t k t line me in detail the" cbn o 5 of A more-partleulelr object of thie ill-lvention 13 to prov1de a novel meensgforfl edjustably ys' r dx lonstii e'im t e ee nayb re d-p yjlelnployed "It is noted thet one end of the a p j mum m become appei entend ihfvpalrt' be kilm pl t weed" heame v hereinafter. etatedf thisf invention" comprises] ijcertain novel constructions; -'con1bihation and ari'engementsflof parts es' willosubseq ly peci de d aim vehtlon eferenCe hiQy be had vto the-follow-j,"

- endfopposite thatlshovvn in Figure 2;.

Figure} Bise cletailed eross-seetion'taken V 1 h line 5450f 'lg s lliOwlng the mqunt- 5 1 l ingof the hothed member;

' ,While the'pi'eferred;foi rnpf thednvention *ifs herein set forth; itIis-to bejunderstoodthet it is not to b'ejlintlitedto the ex ect construetion shown, (as vai'iousmodifications of these 'de- {tails maybe provided in-"phttin-g the invention into practice Within the p urvieWYofthe' .appe'ndedeleim's' level QmQdeeneeeofdanee withfthie'lin-g vent1on eom'pr ses caeing l,Whiehfineybe of any suiteble' material; Alumin mjs a:

imetel -jthatihas been foi nd shitable ffor all, generalfpllrposeelf-This oesing has theeap i onronei end thereof; which isjronnded ifas 1 tiinel'osnre strnctureis employed,vvhifel1 will l fher eii'ieftefYdeecribed This geising" 1f 7 housesthet ibe 3, jvhiehcontains theflhid or; jbubble JIhis -.tube ;a nd the V V eonetitute thespirit level; i Ihtei'nlieQ Y The linebetween the hook and the notched inen'ib'er' assumingenengle f with respect to the ;1 en1'ainder-=of theYlinelpre-ff v along thelfczisinglf 'llhis hook :1sle'depte'dfte s'uspendthe le velfoft e'lihe w en ueed mi) the sqrewthreauedapeitu in j ereby thefmeIiiber-m be specmtheeasm i lie-class; es ibed-y'eomrising, level," ajsusjpei1s' no meansfafli'fi'ed i; {thereto atoneside ofitheg centeriof gravity l? 7 3' thereof for-suspending theileve lzfronigafline, "and an upwardly extendingniemberseciired 5 -::to the level at the saime'sideso'fthe.benterf of 3 ngraviityaofthe'ilevehasthesuspensionjmeans ,7

junction with a notched member- 8 on the end of the casing. g I

The top and bottomof the casing are slot- "ted, V as shown at, 9, to accommodate the notched member 8 which passes through these slots. The member 8 is maintained in the de-' sired ,position by a screw 10, which is mount- 7 ed in the notched member. and has threaded engagement With the member 8,. A' Washer 11, having-a slot'll', is provided'in the end v of the casing, said=Washer 1-1"being held in position by the bent over edges 12 of the casing 1. It will be readily seen that'after the screw 10 has been loosenedthat the member '8 rsc'i'ew 10 Will'move ini-t he -slot 11, Where it" ,will be held by the tightening ofthe screw: I One end ofthe' member 8 is bentover, as; shown at 13, said bent'over portionfin turn be- I ingbent uptogprovide janotch'ed lug 14. The 1 notch in this lug :receives the line when the level is applied thereto and prevents any-side- Wisemotion of {the line With respectlto :the 'Inember8, F 1 TI rwllenitheilevel is to be' used at some desired hook -6is put, over the line-jand -the notched v member 8 placed in engagement", therewith;

' J Obviouslycthehook' exerts a dow nward pres- \sure,-while the member 8, due'to the offset e- 1 a place, as adjacent one end of thelinefthe but at a greater distance therefrom, whereby;

the vveight of the level-acting at the center 0 a V-shaped notch therein for receiving the line. I r 7 I, 8, Aline level'ofthe class described, comprislng, in combination, a level, and means for securing the level to a line, said means I comprising'a hook memberiaflixed to the level lat'one side'of the center of gravity of said level', whereby one part of the level will tend to move upwardly when-said level is suspendmaybe placed in any desired positiomas th *ed'from *a 11'Iieby*sa1d hook member, and

means fastened tothat part of the level which ten'dsfto moveupwardly, for pressing against thejlin'e, thereby, {preventing such upward movement ,ofthe level andsecuring the same.

'toftheline so as to obviate any longitudinal movement or; the level along the line. In-testimony whereof l aflix my signature. DEBS CHRISTENSEN.

, lation of the hook, exertsanoupwardzpressure against the dine, whereby. the .rlevelisam'aingtainedin-the desired-position, As-the line" between the hook and-notch member 8 vill beg M atan angle with respectto theremainder of i i V I 7 the line any sliding of ,thejlevel is efleotively jprevented Theie e1 may be adjusted to'ac- ,5 j I commodatelines of different lengths and" or the ust n tersl atent of the United States, is}, b v

'and ihavingia screw threaded apeif tureithere- V @posed between :thej ffl'ast named m mber, and

i the crimped end ofth ha ing a ot t through the sljotvin having different-sagging properties,byfad position of thelm ember 8, as .pre-

' fl. A line'level of theclass described, com-- V .gprisin'g, in oombin ation', anelongatedcasing havingslots'nea'r' one'jend thereoflfisaid end vbeing crimped asuspension member 'securedj a 1' to the casing, a" member slidable gil a d- QtS in a Washer "Withinsaid{casing and zinter 9 f'WZ Sh a 

